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Kruka [31]
2 years ago
12

Limestone, which contains the mineral calcite that fizzes in weak acid, may change

Biology
2 answers:
xxTIMURxx [149]2 years ago
7 0

Answer:

yup  

A: it would show fossils.

B: It would not fizz in acid.

C: It would have stripes.

D: It would fizz in acid.

Explanation:

ki77a [65]2 years ago
6 0

Answer:

D: It would fizz in acid.

Explanation:

Marble is a limestone & will have an acid reaction that is similar to the limestone from which it was formed.

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Bacteria viruses fungi and protozoans can all cause different diseases. True or False
Natalka [10]

Answer:

True

Explanation:

<em>The three groups of organisms have the capability to cause different diseases in humans and other animals. The specific ones among them that can cause diseases are said to be pathogenic while those that are incapable of causing diseases are said to be non-pathogenic.</em>

7 0
3 years ago
Explain the difference in meaning between the words microbe and pathogen.
Ivanshal [37]

Answer:

Different diseases are caused by different types of micro-organisms. Microbes that cause disease are called pathogens. It is important to remember that: A pathogen is a micro-organism that has the potential to cause disease.

8 0
3 years ago
Waters ____ makes it excellent solvent for salts like sodium chloride as well as other substances required by cells to carry out
valentinak56 [21]

The right answer is polarity.

In chemistry, polarity is a characteristic describing the distribution of negative and positive charges in a dipole. The polarity of a bond or a molecule is due to the difference in electronegativity between the chemical elements that compose it, the differences in charge that it induces, and to their distribution in space. The more the charges are distributed asymmetrically, the more a bond or molecule will be polar, and conversely, if the charges are distributed in a completely symmetrical manner, it will be apolar, that is to say non-polar.

Polarity and its consequences (van der Waals forces, hydrogen bonding) affect a number of physical characteristics (surface tension, melting point, boiling point, solubility) or chemical (reactivity).

Many very common molecules are polar, such as sucrose, a common form of sugar. The sugars, in general, have many oxygen-hydrogen bonds (hydroxyl group -OH) and are generally very polar. Water is another example of a polar molecule, which allows polar molecules to be generally soluble in water. Two polar substances are very soluble between them as well as between two apolar molecules thanks to Van der Waals interactions.

5 0
3 years ago
Read 2 more answers
Why is bacteria placed in the kingdom prokaryotes
sukhopar [10]
Prokaryotes are chiefly defined as cells without a nucleus to contain the genetic information. Bacteria do not have a nucleus but, like prokaryotes, a nucleoid region in the center where the DNA can be found. Bacteria also do not have membrane-bound organelles, but they do have ribosomes to synthesize proteins. Bacteria vary a lot in the different structures they can have, but these basic factors make bacteria prokaryotes.

Hope this helps! :)

7 0
2 years ago
9. Estimate (your best guess) what percent of the Amazon jungle is indigenous territory.
kotykmax [81]

Answer:

Approx. 35%

Explanation:

Inside the Amazonian forest, over 3,000 indigenous domains have been established. 35 percent of the Amazon forest reflects these regions. 49.4 % of the ecosystem seems to be under form of control and conservation when nature reserves are applied to this figure.

3 0
3 years ago
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